Isolated System Definition

If this box were an isolated system, light would be unable to enter or exit.
If this box were an isolated system, light would be unable to enter or exit. PM Images / Getty Images

Isolated System Definition

An isolated system is a thermodynamic system that cannot exchange either energy or matter outside the boundaries of the system.

An isolated system differs from a closed system by the transfer of energy. Closed systems are only closed to matter, energy can be exchanged across the system's boundaries.

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Helmenstine, Anne Marie, Ph.D. "Isolated System Definition." ThoughtCo, Jul. 12, 2017, thoughtco.com/definition-of-isolated-system-605270. Helmenstine, Anne Marie, Ph.D. (2017, July 12). Isolated System Definition. Retrieved from https://www.thoughtco.com/definition-of-isolated-system-605270 Helmenstine, Anne Marie, Ph.D. "Isolated System Definition." ThoughtCo. https://www.thoughtco.com/definition-of-isolated-system-605270 (accessed May 22, 2018).